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nemubot/message.py

451 lines
16 KiB
Python

# -*- coding: utf-8 -*-
# Nemubot is a modulable IRC bot, built around XML configuration files.
# Copyright (C) 2012 Mercier Pierre-Olivier
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from datetime import datetime
import re
import shlex
import time
import credits
from credits import Credits
from DCC import DCC
from response import Response
import xmlparser
CREDITS = {}
filename = ""
def load(config_file):
global CREDITS, filename
CREDITS = dict ()
filename = config_file
credits.BANLIST = xmlparser.parse_file(filename)
def save():
global filename
credits.BANLIST.save(filename)
class Message:
def __init__ (self, srv, line, timestamp, private = False):
self.raw = line
self.srv = srv
self.time = timestamp
self.channel = None
self.content = b''
self.ctcp = False
line = line.rstrip() #remove trailing 'rn'
words = line.split(b' ')
if words[0][0] == 58: #58 is : in ASCII table
self.sender = words[0][1:].decode()
self.cmd = words[1].decode()
else:
self.cmd = words[0].decode()
self.sender = None
if self.cmd == 'PING':
self.content = words[1]
elif self.sender is not None:
self.nick = (self.sender.split('!'))[0]
if self.nick != self.sender:
self.realname = (self.sender.split('!'))[1]
else:
self.realname = self.nick
self.sender = self.nick + "!" + self.realname
if len(words) > 2:
self.channel = self.pickWords(words[2:]).decode()
if self.cmd == 'PRIVMSG':
#Check for CTCP request
self.ctcp = len(words[3]) > 1 and (words[3][0] == 0x01 or words[3][1] == 0x01)
self.content = self.pickWords(words[3:])
elif self.cmd == '353' and len(words) > 3:
for i in range(2, len(words)):
if words[i][0] == 58:
self.content = words[i:]
#Remove the first :
self.content[0] = self.content[0][1:]
self.channel = words[i-1].decode()
break
elif self.cmd == 'NICK':
self.content = self.pickWords(words[2:])
elif self.cmd == 'MODE':
self.content = words[3:]
elif self.cmd == '332':
self.channel = words[3]
self.content = self.pickWords(words[4:])
else:
#print (line)
self.content = self.pickWords(words[3:])
else:
print (line)
if self.cmd == 'PRIVMSG':
self.channel = words[2].decode()
self.content = b' '.join(words[3:])
self.decode()
self.private = private or (self.channel is not None and self.srv is not None and self.channel == self.srv.nick)
def pickWords(self, words):
"""Parse last argument of a line: can be a single word or a sentence starting with :"""
if len(words) > 0 and len(words[0]) > 0:
if words[0][0] == 58:
return b' '.join(words[0:])[1:]
else:
return words[0]
else:
return b''
def decode(self):
"""Decode the content string usign a specific encoding"""
if isinstance(self.content, bytes):
try:
self.content = self.content.decode()
except UnicodeDecodeError:
#TODO: use encoding from config file
self.content = self.content.decode('utf-8', 'replace')
@property
def is_owner(self):
return self.nick == self.srv.owner
def authorize(self):
"""Is nemubot listening for the sender on this channel?"""
if self.srv.isDCC(self.sender):
return True
elif self.realname not in CREDITS:
CREDITS[self.realname] = Credits(self.realname)
elif self.content[0] == '`':
return True
elif not CREDITS[self.realname].ask():
return False
return self.srv.accepted_channel(self.channel)
def treat(self):
"""Parse and treat the message"""
if self.cmd == "PING":
self.srv.send_pong(self.content)
elif self.cmd == "PRIVMSG" and self.ctcp:
self.parsectcp()
elif self.cmd == "PRIVMSG" and self.authorize():
return self.parsemsg()
elif self.channel in self.srv.channels:
if self.cmd == "353":
self.srv.channels[self.channel].parse353(self)
elif self.cmd == "332":
self.srv.channels[self.channel].parse332(self)
elif self.cmd == "MODE":
self.srv.channels[self.channel].mode(self)
elif self.cmd == "JOIN":
self.srv.channels[self.channel].join(self.nick)
elif self.cmd == "PART":
self.srv.channels[self.channel].part(self.nick)
elif self.cmd == "TOPIC":
self.srv.channels[self.channel].topic = self.content
elif self.cmd == "NICK":
for chn in self.srv.channels.keys():
self.srv.channels[chn].nick(self.nick, self.content)
elif self.cmd == "QUIT":
for chn in self.srv.channels.keys():
self.srv.channels[chn].part(self.nick)
return None
def parsectcp(self):
"""Parse CTCP requests"""
if self.content == '\x01CLIENTINFO\x01':
self.srv.send_ctcp(self.sender, "CLIENTINFO TIME USERINFO VERSION CLIENTINFO")
elif self.content == '\x01TIME\x01':
self.srv.send_ctcp(self.sender, "TIME %s" % (datetime.now()))
elif self.content == '\x01USERINFO\x01':
self.srv.send_ctcp(self.sender, "USERINFO %s" % (self.srv.realname))
elif self.content == '\x01VERSION\x01':
self.srv.send_ctcp(self.sender, "VERSION nemubot v%s" % self.srv.context.version_txt)
elif self.content[:9] == '\x01DCC CHAT':
words = self.content[1:len(self.content) - 1].split(' ')
ip = self.srv.toIP(int(words[3]))
conn = DCC(self.srv, self.sender)
if conn.accept_user(ip, int(words[4])):
self.srv.dcc_clients[conn.sender] = conn
conn.send_dcc("Hello %s!" % conn.nick)
else:
print ("DCC: unable to connect to %s:%s" % (ip, words[4]))
elif self.content == '\x01NEMUBOT\x01':
self.srv.send_ctcp(self.sender, "NEMUBOT %f" % self.srv.context.version)
elif self.content[:7] != '\x01ACTION':
print (self.content)
self.srv.send_ctcp(self.sender, "ERRMSG Unknown or unimplemented CTCP request")
def reparsemsg(self):
self.parsemsg()
def parsemsg (self):
self.srv.context.treat_pre(self)
#Treat all messages starting with 'nemubot:' as distinct commands
if self.content.find("%s:"%self.srv.nick) == 0:
#Remove the bot name
self.content = self.content[len(self.srv.nick)+1:].strip()
messagel = self.content.lower()
# Treat ping
if re.match(".*(m[' ]?entends?[ -]+tu|h?ear me|do you copy|ping)",
messagel) is not None:
return Response(self.sender, message="pong", channel=self.channel, nick=self.nick)
# Ask hooks
else:
return self.srv.context.treat_ask(self)
#Owner commands
elif self.content[0] == '`' and self.sender == self.srv.owner:
self.cmd = self.content[1:].split(' ')
if self.cmd[0] == "ban":
if len(self.cmd) > 1:
credits.BANLIST.append(self.cmd[1])
else:
print (credits.BANLIST)
elif self.cmd[0] == "banlist":
print (credits.BANLIST)
elif self.cmd[0] == "unban":
if len(self.cmd) > 1:
credits.BANLIST.remove(self.cmd[1])
elif self.cmd[0] == "credits":
if len(self.cmd) > 1 and self.cmd[1] in CREDITS:
self.send_chn ("%s a %d crédits." % (self.cmd[1], CREDITS[self.cmd[1]]))
else:
for c in CREDITS.keys():
print (CREDITS[c].to_string())
#Messages stating with !
elif self.content[0] == '!' and len(self.content) > 1:
try:
self.cmd = shlex.split(self.content[1:])
except ValueError:
self.cmd = self.content[1:].split(' ')
if self.cmd[0] == "help":
res = Response(self.sender)
if len(self.cmd) > 1:
if self.cmd[1] in self.srv.context.modules:
if len(self.cmd) > 2:
if hasattr(self.srv.context.modules[self.cmd[1]], "HELP_cmd"):
res.append_message(self.srv.context.modules[self.cmd[1]].HELP_cmd(self, self.cmd[2]))
else:
res.append_message("No help for command %s in module %s" % (self.cmd[2], self.cmd[1]))
elif hasattr(self.srv.context.modules[self.cmd[1]], "help_full"):
res.append_message(self.srv.context.modules[self.cmd[1]].help_full())
else:
res.append_message("No help for module %s" % self.cmd[1])
else:
res.append_message("No module named %s" % self.cmd[1])
else:
res.append_message("Pour me demander quelque chose, commencez "
"votre message par mon nom ; je réagis "
"également à certaine commandes commençant par"
" !. Pour plus d'informations, envoyez le "
"message \"!more\".")
res.append_message("Mon code source est libre, publié sous "
"licence AGPL (http://www.gnu.org/licenses/). "
"Vous pouvez le consulter, le dupliquer, "
"envoyer des rapports de bogues ou bien "
"contribuer au projet sur GitHub : "
"http://github.com/nemunaire/nemubot/")
res.append_message(title="Pour plus de détails sur un module, "
"envoyez \"!help nomdumodule\". Voici la liste"
" de tous les modules disponibles localement",
message=["\x03\x02%s\x03\x02 (%s)" % (im, self.srv.context.modules[im].help_tiny ()) for im in self.srv.context.modules if hasattr(self.srv.context.modules[im], "help_tiny")])
return res
elif self.cmd[0] == "more":
if self.channel == self.srv.nick:
if self.sender in self.srv.moremessages:
return self.srv.moremessages[self.sender]
else:
if self.channel in self.srv.moremessages:
return self.srv.moremessages[self.channel]
elif self.cmd[0] == "dcc":
print("dcctest for", self.sender)
self.srv.send_dcc("Hello %s!" % self.nick, self.sender)
elif self.cmd[0] == "pvdcctest":
print("dcctest")
return Response(self.sender, message="Test DCC")
elif self.cmd[0] == "dccsendtest":
print("dccsendtest")
conn = DCC(self.srv, self.sender)
conn.send_file("bot_sample.xml")
else:
return self.srv.context.treat_cmd(self)
else:
res = self.srv.context.treat_answer(self)
# Assume the message starts with nemubot:
if res is None and self.private:
return self.srv.context.treat_ask(self)
return res
# def parseOwnerCmd(self, cmd):
##############################
# #
# Extraction/Format text #
# #
##############################
def just_countdown (self, delta, resolution = 5):
sec = delta.seconds
hours, remainder = divmod(sec, 3600)
minutes, seconds = divmod(remainder, 60)
an = int(delta.days / 365.25)
days = delta.days % 365.25
sentence = ""
force = False
if resolution > 0 and (force or an > 0):
force = True
sentence += " %i an"%(an)
if an > 1:
sentence += "s"
if resolution > 2:
sentence += ","
elif resolution > 1:
sentence += " et"
if resolution > 1 and (force or days > 0):
force = True
sentence += " %i jour"%(days)
if days > 1:
sentence += "s"
if resolution > 3:
sentence += ","
elif resolution > 2:
sentence += " et"
if resolution > 2 and (force or hours > 0):
force = True
sentence += " %i heure"%(hours)
if hours > 1:
sentence += "s"
if resolution > 4:
sentence += ","
elif resolution > 3:
sentence += " et"
if resolution > 3 and (force or minutes > 0):
force = True
sentence += " %i minute"%(minutes)
if minutes > 1:
sentence += "s"
if resolution > 4:
sentence += " et"
if resolution > 4 and (force or seconds > 0):
force = True
sentence += " %i seconde"%(seconds)
if seconds > 1:
sentence += "s"
return sentence[1:]
def countdown_format (self, date, msg_before, msg_after, timezone = None):
"""Replace in a text %s by a sentence incidated the remaining time before/after an event"""
if timezone != None:
os.environ['TZ'] = timezone
time.tzset()
#Calculate time before the date
if datetime.now() > date:
sentence_c = msg_after
delta = datetime.now() - date
else:
sentence_c = msg_before
delta = date - datetime.now()
if timezone != None:
os.environ['TZ'] = "Europe/Paris"
return sentence_c % self.just_countdown(delta)
def extractDate (self):
"""Parse a message to extract a time and date"""
msgl = self.content.lower ()
result = re.match("^[^0-9]+(([0-9]{1,4})[^0-9]+([0-9]{1,2}|janvier|january|fevrier|février|february|mars|march|avril|april|mai|maï|may|juin|juni|juillet|july|jully|august|aout|août|septembre|september|october|octobre|oktober|novembre|november|decembre|décembre|december)([^0-9]+([0-9]{1,4}))?)[^0-9]+(([0-9]{1,2})[^0-9]*[h':]([^0-9]*([0-9]{1,2})([^0-9]*[m\":][^0-9]*([0-9]{1,2}))?)?)?.*$", msgl + " TXT")
if result is not None:
day = result.group(2)
if len(day) == 4:
year = day
day = 0
month = result.group(3)
if month == "janvier" or month == "january" or month == "januar":
month = 1
elif month == "fevrier" or month == "février" or month == "february":
month = 2
elif month == "mars" or month == "march":
month = 3
elif month == "avril" or month == "april":
month = 4
elif month == "mai" or month == "may" or month == "maï":
month = 5
elif month == "juin" or month == "juni" or month == "junni":
month = 6
elif month == "juillet" or month == "jully" or month == "july":
month = 7
elif month == "aout" or month == "août" or month == "august":
month = 8
elif month == "september" or month == "septembre":
month = 9
elif month == "october" or month == "october" or month == "oktober":
month = 10
elif month == "november" or month == "novembre":
month = 11
elif month == "december" or month == "decembre" or month == "décembre":
month = 12
if day == 0:
day = result.group(5)
else:
year = result.group(5)
hour = result.group(7)
minute = result.group(9)
second = result.group(11)
print ("Chaîne reconnue : %s/%s/%s %s:%s:%s"%(day, month, year, hour, minute, second))
if year == None:
year = date.today().year
if hour == None:
hour = 0
if minute == None:
minute = 0
if second == None:
second = 1
else:
second = int (second) + 1
if second > 59:
minute = int (minute) + 1
second = 0
return datetime(int(year), int(month), int(day), int(hour), int(minute), int(second))
else:
return None